DE59807432D1 - Exzenterschneckenpumpe - Google Patents

Exzenterschneckenpumpe

Info

Publication number
DE59807432D1
DE59807432D1 DE59807432T DE59807432T DE59807432D1 DE 59807432 D1 DE59807432 D1 DE 59807432D1 DE 59807432 T DE59807432 T DE 59807432T DE 59807432 T DE59807432 T DE 59807432T DE 59807432 D1 DE59807432 D1 DE 59807432D1
Authority
DE
Germany
Prior art keywords
cavity pump
cavity
pump
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
DE59807432T
Other languages
English (en)
Inventor
Niels Due Jensen
Jorgen Christensen
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Grundfos AS
Original Assignee
Grundfos AS
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Grundfos AS filed Critical Grundfos AS
Application granted granted Critical
Publication of DE59807432D1 publication Critical patent/DE59807432D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C5/00—Rotary-piston machines or pumps with the working-chamber walls at least partly resiliently deformable
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2/00—Rotary-piston machines or pumps
    • F04C2/08—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
    • F04C2/10—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member
    • F04C2/107—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member with helical teeth
    • F04C2/1071—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member with helical teeth the inner and outer member having a different number of threads and one of the two being made of elastic materials, e.g. Moineau type
    • F04C2/1073—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member with helical teeth the inner and outer member having a different number of threads and one of the two being made of elastic materials, e.g. Moineau type where one member is stationary while the other member rotates and orbits

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Rotary Pumps (AREA)
DE59807432T 1997-06-04 1998-06-03 Exzenterschneckenpumpe Expired - Lifetime DE59807432D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19727209A DE19727209A1 (de) 1997-06-04 1997-06-04 Exzenterschneckenpumpe

Publications (1)

Publication Number Publication Date
DE59807432D1 true DE59807432D1 (de) 2003-04-17

Family

ID=7833753

Family Applications (2)

Application Number Title Priority Date Filing Date
DE19727209A Ceased DE19727209A1 (de) 1997-06-04 1997-06-04 Exzenterschneckenpumpe
DE59807432T Expired - Lifetime DE59807432D1 (de) 1997-06-04 1998-06-03 Exzenterschneckenpumpe

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE19727209A Ceased DE19727209A1 (de) 1997-06-04 1997-06-04 Exzenterschneckenpumpe

Country Status (2)

Country Link
EP (1) EP0882891B1 (de)
DE (2) DE19727209A1 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100507274C (zh) * 2006-11-03 2009-07-01 江苏大学 电动机螺杆泵
CN105443374B (zh) * 2015-12-31 2018-05-08 台州佳迪泵业有限公司 一种井用潜水螺杆电泵
DE102021111925A1 (de) 2021-05-07 2022-11-10 Seepex Gmbh Exzenterschneckenpumpe

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2695694A (en) * 1951-11-03 1954-11-30 Seinfeld Emmy Margaret Diaphragm mechanism for pump clutches
FR1554319A (de) * 1968-02-12 1969-01-17
FR2523656A1 (fr) * 1982-03-18 1983-09-23 Commissariat Energie Atomique Pompe rotative a membrane
DE3245973A1 (de) * 1982-12-11 1984-06-14 Allweiler Ag, 7760 Radolfzell Motorpumpenaggregat

Also Published As

Publication number Publication date
EP0882891A1 (de) 1998-12-09
DE19727209A1 (de) 1998-12-10
EP0882891B1 (de) 2003-03-12

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition